|
一 產(chǎn)品概述 ZCC5050-1 是一款高性能的高側(cè) OR-ing FET 控制器，適用于冗余電源系統(tǒng)。它通過外部 N 溝道 MOSFET 實現(xiàn)理想的二極管整流功能，可顯著降低傳統(tǒng)二極管整流器帶來的功率損耗和電壓降。ZCC5050-1 提供了快速的電流反轉(zhuǎn)響應能力，能夠在 50ns 內(nèi)關(guān)閉 MOSFET，確保系統(tǒng)的穩(wěn)定性和可靠性。ZCC5050-1 is a high-performance high side OR ing FET controller，suitable for redundant power systems.It achieves ideal diode rectification function through external N-channel MOSFET, which can significantlyreduce the power loss and voltage drop caused by traditional diode rectifiers. ZCC5050-1 provides fastcurrent reversal response capability, capable of turning off MOSFETs within 50ns, ensuring system stabilityand reliability. 二 特性 ● 提供標準版和 AEC-Q100 認證版本（ZCC5050Q0MK-1 最高結(jié)溫可達 150°C，ZCC5050Q1MK-1 最高結(jié)溫可達 125°C）。Provide standard and AEC-Q100 certified versions (ZCC5050Q0MK-1 has a maximum junctiontemperature of 150 ° C, ZCC5050Q1MK-1 has a maximum junction temperature of 125 ° C). ● 寬輸入電壓范圍：VIN 為 1V 至 75V（VIN < 5V 時需額外提供 VBIAS）。Wide input voltage range: VINis 1V to 75V (VBIAS is required when VIN<5V). ● 100V 瞬態(tài)耐受能力。 100V transient withstand capability. ● 內(nèi)置電荷泵驅(qū)動外部 N 溝道 MOSFET。 Built in charge pump drives external N-channel MOSFET● 快速響應：在電流反轉(zhuǎn)時，響應時間僅為 50ns。Fast response: When the current reverses, the response timeis only 50ns. ● 2A 峰值柵極關(guān)斷電流。2A peak gate turn off current. ● 最小 VDS 鉗位，實現(xiàn)更快的關(guān)斷速度。Minimum VDS clamp for faster shutdown speed. ● 封裝類型：SOT-6（薄型 SOT-23-6）。Packaging type: SOT-6 (thin SOT-23-6). 三 應用領域 ● 冗余電源（N+1）的主動 OR-ing。 Active OR ing of redundant power supply (N+1). 四 描述 ZCC5050-1/-Q1 高側(cè) OR-ing FET 控制器與外部 MOSFET 配合使用，當串聯(lián)在電源中時，可作為理想的二極管整流器。該控制器通過內(nèi)置的電荷泵為外部 N 溝道 MOSFET 提供柵極驅(qū)動，并利用快速響應比較器在電流反向流動時迅速關(guān)閉 MOSFET。ZCC5050-1/-Q1 可連接 5V 至 75V 的電源，并能承受高達 100V 的瞬態(tài)電壓。The ZCC5050-1/- Q1 high side OR ing FET controller, when used inconjunction with an external MOSFET, can serve as an ideal diode rectifier when connected in series with apower supply. The controller provides gate drive for the external N-channel MOSFET through a built-incharge pump, and uses a fast response comparator to quickly turn off the MOSFET when current flows inreverse. ZCC5050-1/- Q1 can be connected to a power supply ranging from 5V to 75V and can withstandtransient voltages up to 100V. |
